document.write("«&nbsp;<a href='/news/view?id=60436'>Lie symmetries of nonlinear parabolic-elliptic systems and their application to a tumour growth model. (arXiv:1704.07696v1 [math-ph])</a>");document.write(" | ");document.write("<a href='/news/view?id=60438'>Linkerd 1.0</a>&nbsp;»");